Table 3.

Days of Abstinence Among Participants at 30 Days, 90 Days, or Both

Days abstinent		30-Day follow-up						90-Day follow-up
		Intervention			Control			Intervention			Control
		No.	Mean	SD	No.	Mean	SD	No.	Mean	SD	No.	Mean	SD
All	Baseline	165	12.6	10.6	100	19.1	11.1	144	13.2	11	83	18.6	11.2
	Follow-up	165	25.3	8.3	100	24.7	7.91	144	24.3	9.29	83	24.1	9.85
	Change	165	12.7	11.7	100	5.61	10.2	144	11	12.7	83	5.45	10.5
Both	Baseline	133	13	10.8	78	18.6	11.1	133	13	10.8	78	18.6	11.1
	Follow-up	133	25.7	7.87	78	24.5	8.35	133	24.3	9.32	78	24.2	9.71
	Change	133	12.7	11.4	78	5.92	10.4	133	11.2	12.6	78	5.62	10.6
30-Day only	Baseline	32	10.7	10.1	22	20.9	11.2
	Follow-up	32	23.5	9.83	22	25.4	6.25
	Change	32	12.8	13.3	22	4.5	9.69
90-Day only	Baseline							11	15.6	13.5	5	18.4	13.2
	Follow-up							11	24.3	9.32	5	21.2	12.8
	Change							11	8.73	14.4	5	2.8	9.2